Re: [Owfs-developers] Two owserver problems

Steinar Midtskogen stei...@latinitas.org writes: I've run into two problems with owserver (on an NSLU2 with a DS9490R USB adapter). I've been using 2.7p17 and 2.7p21, both have the same problems. 1. Owserver is unable to read all sensors on my Hobby Boards hub, but the sensors

Re: [Owfs-developers] Two owserver problems

Paul Alfille paul.alfi...@gmail.com writes: On 5/25/09, Steinar Midtskogen stei...@latinitas.org wrote: digitemp fails to see quite a few sensors (but occationally it finds them but incorrectly list them on the main bus), whereas Oww never has had any problems after years of use. Sounds

Re: [Owfs-developers] Two owserver problems

Steinar Midtskogen stei...@latinitas.org writes: Paul Alfille paul.alfi...@gmail.com writes: On 5/25/09, Steinar Midtskogen stei...@latinitas.org wrote: digitemp fails to see quite a few sensors (but occationally it finds them but incorrectly list them on the main bus), whereas Oww never has

Re: [Owfs-developers] Two owserver problems

Matthias Urlichs sm...@smurf.noris.de writes: Hi, Steinar Midtskogen: In some directory listings for the hubs, I notice that the hub (1F.xxx) and others on hte main bus reappear. Is that an error? Yes. That shouldn't happen. I'm suspecting that this is another issue, and less harmful

Re: [Owfs-developers] memleak in owserver

Michael Markstaller m...@elabnet.de writes: I think since polling owserver more heavily (uncached dir every 500ms) it shows a memleak. As experience with debugging such things is close to zero, if someone can point me to the nescessary steps, I'd be happy to create some debug-output.. (use

Re: [Owfs-developers] Two owserver problems

Paul Alfille paul.alfi...@gmail.com writes: Great, a nice test case. Should be fixable. I like the shell script approach. ... The problem seems to be that owserver is relatively fine as long as the requests come in an orderly fashion, such as in this script: ... But if I change

Re: [Owfs-developers] Two owserver problems

[Christian Magnusson] Right now we seldom have more than 1 connecting request in the listen-queue at a time... mostly since the code _very_ quickly accepts all connections and removes them from the queue. I'm sure nobody would notice any difference if the listen-queue was lowered from 10 to 1

[Owfs-developers] Unreadable counter

I have a counter on a Hobby Boards hub which is detected by owserver, but all its contents, that is, counters.*, mincount and memory are unreadable: # cat 1F.3BB30400/main/1D.3FE20500/counters.A cat: 1F.3BB30400/main/1D.3FE20500/counters.A: Invalid argument # owget -s 3000

Re: [Owfs-developers] Unreadable counter

Paul Alfille paul.alfi...@gmail.com writes: Two maneuvers would help me with debugging: 1. If you can test without the Microhub (DS2409) it would take some complexity out of the scenario. 2. Create an error log with --foreground --error_level=9 (compress teh log and attach it to a

[Owfs-developers] owserver slowdown between 2.5 and 2.6

I've noticed a difference between version 2.5p1 and 2.6p0. When I do several owget -s 3000 /uncached/1F.FAC60200/main/26.7AAB4200/VAD the behaviour is different. In 2.5 the hub is not accessed at all (expect for the first time) which makes sense since I don't access anything else not

Re: [Owfs-developers] owserver slowdown between 2.5 and 2.6

Paul Alfille paul.alfi...@gmail.com writes: I'll look into the behavior for the current version, this is a bug that may still persist (We're at 2.7p22 rather than 2.6p0). Yes, it's in 2.7p22 as well. I discovered the changed behaviour when I tried to move my snow depth sensor to 2.7p22. I

Re: [Owfs-developers] owserver slowdown between 2.5 and 2.6

[Paul Alfille] In 2.5 we assumed uncached referred only to the property value, not the location. In 2.6 and later, uncached refers to both location and property value. This forces clearance of stale directories. I suppose we could change this behavior: uncached/device/property uses the

Re: [Owfs-developers] owserver slowdown between 2.5 and 2.6

Paul Alfille paul.alfi...@gmail.com writes: On Sun, Jul 5, 2009 at 1:23 AM, Steinar Midtskogenstei...@latinitas.org wrote: When the property is asked for with the full path of the location, a successful read will confirm its location, so an explicit directory scan adds nothing in that

Re: [Owfs-developers] Two owserver problems

[Christian Magnusson] So, what is a suitable limitation when reading from a remoteserver? Should it be allowed to do 10, 20 or 50 concurrent requests? As I can see, something must be really wrong if it increase over 20 concurrent requests for one single 1-wire adapter. 10 or 20 is probably

Re: [Owfs-developers] Two owserver problems

Christian Magnusson m...@mag.cx writes: Trying to do something like this will not crash owserver anymore... #!/bin/bash while [ 1 ]; do /opt/owfs/bin/owget /uncached/10.01/temperature sleep 0.1 done Excellent. I've put my bus at risk by having all my sensors available

Re: [Owfs-developers] Two owserver problems

[Paul Alfille] So I'd guess that people access an public owhttpd should be pretty safe, as long as the 1-wire devices aren't controlling something delicate. Apart from the queueing issue, my main worry (if it turns out to be a problem, I'll just remove access) has been that a lot of uncached

Re: [Owfs-developers] Writing tto much to DS2438 memory crashes owserver

Steinar Midtskogen stei...@latinitas.org writes: For example: 1. owwrite -s server:port 26./page.3 123456789 2. owserver dies owserver should either ignore the extra characters (9 in this example), or reject the request altogether. A couple of related problems: 1. It doesn't

[Owfs-developers] Writing tto much to DS2438 memory crashes owserver

For example: 1. owwrite -s server:port 26./page.3 123456789 2. owserver dies owserver should either ignore the extra characters (9 in this example), or reject the request altogether. I haven't checked if this also applies to writing memory on other DS chips. -- Steinar ; NIL

[Owfs-developers] Strange DS2450 behaviour

I have two AAG anemometers, both DS2450 based. Eight reed switches are organised in such a way that each of the four inputs to the AD converter either is (roughly) 0V, 2.5V or 5V and the combination of the four levels will identify one of 16 bearings of the vane (whose magnet will connect the

Re: [Owfs-developers] Strange DS2450 behaviour

Paul Alfille paul.alfi...@gmail.com writes: So one DS2405 works well, and the other not? You mean DS2450? Both work in oww, but only one works in owfs. So it looks like the adc stuff in owfs has a problem. -Steinar Paul Alfille On Fri, Jul 10, 2009 at 8:21 AM, Steinar

Re: [Owfs-developers] Strange DS2450 behaviour

[Jan Kandziora] Am Freitag, 10. Juli 2009 schrieb Steinar Midtskogen: None of the anemometers have external power. Simultaneous conversion is not possible when on parasitic power. That's a limitation of the hardware. If OWW works, it just doesn't use simultaneous conversion. I'm not sure

Re: [Owfs-developers] Strange DS2450 behaviour

Paul Alfille paul.alfi...@gmail.com writes: Looking through the oww source code, it looks like they reset all the parameters before every measurement. I wonder if the flaky sensors have an intermittent connection and do unscheduled power-on-resets? Is it easy to add the reset in owserver as

Re: [Owfs-developers] Strange DS2450 behaviour

[Erik Freiholtz] My DS2450S based light sensors is powered and fails measuring voltages around 5V after a while. At the moment everything has been ok for a day or two. I don't know if it's related, but I also have two DS2760's (Hobby Boards moisture meters) which owfs sometimes gets

[Owfs-developers] Simultaneous temperature conversion locks temperature

I've recently added 6 powered DS18B20's to my bus. Normal reads of 28.*/temperature work fine. If I write 1 to simultaneous/temperature just before the reads, reading will go faster, but the temperatures will be the same every time. I've run this procedure for hours, so I'm sure that the reason

Re: [Owfs-developers] Two owserver problems

[Matthias Urlichs] Hi, Steinar Midtskogen: In some directory listings for the hubs, I notice that the hub (1F.xxx) and others on hte main bus reappear. Is that an error? Yes. That shouldn't happen. Is it most likely anything more than a bit annoying, i.e. harmless? I see this every

Re: [Owfs-developers] Two owserver problems

[Steinar Midtskogen] [Matthias Urlichs] Hi, Steinar Midtskogen: In some directory listings for the hubs, I notice that the hub (1F.xxx) and others on hte main bus reappear. Is that an error? Yes. That shouldn't happen. Is it most likely anything more than a bit annoying, i.e

Re: [Owfs-developers] Two owserver problems

Christian Magnusson m...@mag.cx writes: Trying to do something like this will not crash owserver anymore... #!/bin/bash while [ 1 ]; do /opt/owfs/bin/owget /uncached/10.01/temperature sleep 0.1 done I grabbed the current cvs version today to try it. Using that code I

Re: [Owfs-developers] Two owserver problems

Paul Alfille paul.alfi...@gmail.com writes: There were problems with the DS2409 microhub support. I think I've fixed it. (At least it works well in extensive testing here). New Release 2.7.24 includes the changes. I've just tried the new release. I still lose devices pretty quickly until I

Re: [Owfs-developers] Two owserver problems

Paul Alfille paul.alfi...@gmail.com writes: Drat! Can you describe your topology a little? Are these DS18S20's off a DS2409 microhub? Which bus master? Which devices (seem like rather high temperatures mixed in). Here are the files accessed:

Re: [Owfs-developers] Two owserver problems

[Paul Alfille] I think the duplication should be fixed. I can give it a try if you commit to cvs (I just did an update, but there didn't seem to be any changes) Which bus master? The possibilities include poor electrical connection (less likely if some versions work), a problem in the

Re: [Owfs-developers] Two owserver problems

[Steinar Midtskogen] [Paul Alfille] I think the duplication should be fixed. I can give it a try if you commit to cvs (I just did an update, but there didn't seem to be any changes) Or perhaps there were changes, just that cvs doesn't report them at update as svn which I'm more used

Re: [Owfs-developers] Two owserver problems

[Steinar Midtskogen] I've now run the latest owserver for a couple of hours, and all devices are still there. I still see the duplication, though. I then tried to run my logger program without queueing. It creates one thread per sensor, each going into a loop polling its sensor once every

Re: [Owfs-developers] owserver and hubs

Paul Alfille paul.alfi...@gmail.com writes: Thanks, again, for the update. I have a few of those hubs, so your generous offer isn't needed. Can you tell me which bus master you are using? Mostly The Links, but the DS9490R USB thing in one of my setups. I also have the regular serial adapter

Re: [Owfs-developers] Lightning has taken me down :(

Rob Conway rjcon...@bigpond.com writes: A couple of weeks ago we had a bad storm. It looks like its taken out my entire wire network. I have a 30 metre cable from my server to the devices across the other side of the house. I had run the cable in the roof. It has put me to a point of do I

Re: [Owfs-developers] UVI now supported

) fully. http://owfs.org/ index.php?page=uvi It works in 2.7p26, but not in the latest 2.7p35. Is this intentional? I haven't tried the versions between to find out exactly when it stopped working. -- Steinar Midtskogen http://voksenlia.net/met

Re: [Owfs-developers] UVI now supported

[Paul Alfille] I just tested under 2.7p36 and the UVI sensor works well. If that isn't your experience, can you provide more details? I compiled 2.7p35 and ran it on a bus with only the UVI sensor. It wasn't listed at all, as if it wasn't on the bus. Then I downloaded 2.7p26 and tried that

Re: [Owfs-developers] NSLU2 Support

[Alex Shepherd] Hi Steinar, My 1-wire networks are made up of about 125 sensors using 10 different 1-wire adapters on 6 different computers (mostly Linksys NSLU2) on 3 different locations. What distro are you using on the NSLU2 and how do you recompile/cross compile the latest owfs code

Re: [Owfs-developers] UVI now supported

[Paul Alfille] Any information you can give me on problems you find in owserver would be appreciated. 1. When you say it crashes, does it just close? Become unresponsive? Segfault? 2. What bus master and devices a re involved. 3. How is owserver being accessed? owhttpd? owfs? shell? It ran

Re: [Owfs-developers] UVI now supported

[Steinar Midtskogen] 1. The crash in this case seems to be an assert (see log). I got another crash after about 7 hours, same assert. -- Steinar -- ___ Owfs-developers

Re: [Owfs-developers] UVI now supported

[Paul Alfille] Here is the most cogent explanation: http://sources.redhat.com/ml/libc-help/2008-05/msg00071.html They suggest its a problem with mutex attribute initialization. In the CVS version I've tightened up all the mutex initialization. Perhaps this will solve the intermittent error

Re: [Owfs-developers] UVI now supported

[Paul Alfille] On Wed, Apr 28, 2010 at 1:08 AM, Steinar Midtskogen stei...@latinitas.org wrote: [Paul Alfille] I forgot to mention that while owserver is 2.7p36, the C program that accesses owserver, was built using 2.7p22 owcapi.  Does that matter? I don't know. I presume you

Re: [Owfs-developers] Battery Backup of 1wire network.

[Rob Conway] Has anybody got a simple battery backup on their network to keep the sensors alive ? Not really simple, but I can describe it anyway. It may be a bit off topic. My requirements are probably a bit different. I also need to keep the datalogger alive, and heaters (to melt snow and

Re: [Owfs-developers] UVI now supported

Paul Alfille paul.alfi...@gmail.com writes: On Tue, Apr 27, 2010 at 5:46 AM, Steinar Midtskogen stei...@latinitas.org wrote:  DEBUG: handler.c:Handler(141) OWSERVER handler done  DEBUG: ow_net_server.c:ProcessAcceptSocket(225) Normal exit. owserver: tpp.c:66: __pthread_tpp_change_priority

Re: [Owfs-developers] UVI now supported

Steinar Midtskogen stei...@latinitas.org writes: Paul Alfille paul.alfi...@gmail.com writes: In the CVS version I've tightened up all the mutex initialization. Perhaps this will solve the intermittent error you are seeing. I installed 2.7p37 and it's run fine for a week now. Previously

Re: [Owfs-developers] Pressure Sensor

[Mick Sulley] Does anyone know of a 1-wire pressure sensor to measure water pressure, something like 0 to 3 bar would be ideal. You might have to find a sensor which outputs something that can read by easily available 1-wire devices. Here's what I did:

[Owfs-developers] Anemometer support

). This one isn't available anymore, so I suppose my options are either the new AAG anemometer (the Christmas tree version) or the Hobby Boards alternative. Are any of these or both supported (wind speed and direction) in owfs? -- Steinar Midtskogen http://voksenlia.net/met

Re: [Owfs-developers] Anemometer support

Marc MERLIN marc_n...@merlins.org writes: On Sun, Jul 18, 2010 at 10:22:08PM +0200, Steinar Midtskogen wrote: Last week a thunderstorm passed over my family's cabin where I've set up a 1-wire weather station. Unfortuneately, most electronics inside the cabin died, including every single 1

Re: [Owfs-developers] New 1-wire products ...

Alberto albe...@albsan.it writes: Pardon My English! I wanted to point this new product. http://www.sparkfun.com/products/10167 http://www.sparkfun.com/datasheets/Sensors/Temperature/DHT22.pdf It seems interesting and economically. Could be included in OWFS It doesn't seem to be 1-wire as

[Owfs-developers] Many DS9490R

few have tried. Will owserver be able to access sensors on different adapters simultaniously, and so be able to handle requests faster than the hub solution? I suppose I could also run 16 (or whatever) instances of owserver to achieve that speed, but that's not as neat. -- Steinar Midtskogen http

Re: [Owfs-developers] Many DS9490R

Marc MERLIN marc_n...@merlins.org writes: On Tue, Aug 02, 2011 at 03:23:54PM +0200, Steinar Midtskogen wrote: Hello A lightning strike recently fried a couple of my 6 port 1-wire hubs, so I need to do some shopping. Since owfs (still?) has some issues with these hubs, I'm considering

Re: [Owfs-developers] Many DS9490R

[Marc MERLIN] If they don't exist as wireless, you're indeed out of luck. You obviously know what you're doing, while in the past I saw people with the same problem using 1-wire devices that totally exist as wireless options and where actually cheaper in a WMR-200 than as independent 1-wire

Re: [Owfs-developers] Many DS9490R

[Jim Pruitt] I think this is probably one of them: http://voksenlia.net/met/snow.php Steinar are you still using it? Have you run into any more issues? I regularly search the net for DIY snow depth gauges but seldom see more than 2 or 3. Yours pops up the most and looks the most

Re: [Owfs-developers] Many DS9490R

[Jim Pruitt] I think this is probably one of them: http://voksenlia.net/met/snow.php Steinar are you still using it? Have you run into any more issues? Here's a picture of the new issue: http://voksenlia.net/nytt/2011/snodybdemaler-20110729-med.jpg That's an explosion. Note the bent

Re: [Owfs-developers] Many DS9490R

Paul Alfille paul.alfi...@gmail.com writes: I just tried 7 DS9490R adapters (all I had at hand). Worked well. ... I believe that the only limit of adapters is libusb and the USB protocol.  owserver puts all the adapters in  linked list of effectively unlimited size. I've now tried a setup

Re: [Owfs-developers] Many DS9490R

Unfortunetaly, owserver only ran a few hours this way and died. I'll try to get some debug info. -Steinar Steinar Midtskogen stei...@latinitas.org writes: Paul Alfille paul.alfi...@gmail.com writes: I just tried 7 DS9490R adapters (all I had at hand). Worked well. ... I believe

Re: [Owfs-developers] Many DS9490R

Paul Alfille paul.alfi...@gmail.com writes: Just a thought -- are your hubs powered? I wonder if bus power is being overextended. Is there any information in dmesg? Not powered, as I don't expect DS9490R to draw much power, but you have a point and I can try to power them if I cascade again.

Re: [Owfs-developers] Many DS9490R

--foreground --error_level=9 --error_print 2 I have 16 DS9490R adapters connected. owserver 2.8p13. -Steinar Steinar Midtskogen stei...@latinitas.org writes: Unfortunetaly, owserver only ran a few hours this way and died. I'll try to get some debug info. -Steinar Steinar Midtskogen

Re: [Owfs-developers] Many DS9490R

I split the problematic bus into three (using three adapters for them rather than one), and this solved the problem. At least no problems for over two weeks now. -Steinar Steinar Midtskogen stei...@latinitas.org writes: owserver ran fine for a day or so, then I began to see random device

Re: [Owfs-developers] Sensors go Missing!

Paul Alfille paul.alfi...@gmail.com writes: Most of Michael's corrections are now in the CVS version. As soon as fully tested, we'll make a new release. Perhaps this is related to the problems that I reported a few years ago, when I had a number of hubs, long wires and many sensors, which over

Re: [Owfs-developers] Using cat5e in house - star topology?

problem on one leg wont bring down any of the other legs. I've also had some stability issues (disappearing devices until restart) with owfs and hubs, which get eliminated by the multi-adapter approach. -- Steinar Midtskogen http://voksenlia.net/met

Re: [Owfs-developers] Read scratchpad of DS18S20

o...@sevenfifty.de writes: Hi all, I just got myself a ultrasound distance meter that hooks up nicely to my 1wire bus (http://www.digitale-elektronik.de/shopsystem/product_info.php?products_id=571). This is an interesting device. Perhaps difficult to answer if you're unable to get the

Re: [Owfs-developers] could OWFS share 1-wire network access with OWW ?

[Thomas Parvais] Could OWW operate on the same 1-wire bus than OWFS ? I use Hobby board hub 6-channels / serial interface. I think what you need for a proper solution is an owfs frontend for Oww. You could perhaps ask about it in the 1-wire list at

[Owfs-developers] New Hobby Boards humidity sensor

Hello, It's probably not an owfs problem, but perhaps people here have some experience with the new humidity sensor from Hobby Boards. It seems to work fine with the latest owserver, but the readings seem a bit low. It's heavy fog and rain outside (i.e. 100%), but I only get 80-85%. The

Re: [Owfs-developers] Monitoring Electricity Meter

Mick Sulley m...@sulley.info writes: I would like to monitor my electricity usage via the LED on the meter. I found this project http://www.jon00.me.uk/electmon.shtml which is exactly what I want to do, but it uses an AAG counter board model TAI8585 and it would appear that AAG no longer

Re: [Owfs-developers] Cable Length

I struggled a few years with the most terrible connectors that you can use outdoors, rj12 or rj45, then switched to XLR connectors, which are cheap and sturdy. You can get IP67 rated XLR connectors as well, but even the cheapest XLR connectors seem to work well with basic humidity protection. I

Re: [Owfs-developers] Concurrency issues?

Guy COLIN writes: > Why almost? Because sometimes I loose devices. I have been fighting with this > for a very long time. First it was happening on the swimming pool system last > year, I was accusing the hardware so I replaced the 2482 i2c bus master with > a serial one,

Re: [Owfs-developers] uptime

For what it's worth, I've had 2.8p13 running on a PC for 437 days straight. I also have a Linksys NSLU2 which been up for 1354 days (but doesn't run owserver). It's running my seismometer and the software I wrote from scratch myself has been running since 2015. :) steinar 32583 33.6 1.2

Re: [Owfs-developers] LP-THS

Matthias Urlichs via Owfs-developers > This might be a stupid question, but I do wonder why that board would > need a DS2409 in the first place. > > Do you have a circuit diagram? > > I'd simply skip that chip. Just connect pads 2, 3 and 4. I don't have the circuit diagram, but I think you have

[Owfs-developers] LP-THS

Hi all, Many years ago I built a snow depth sensor based on the LP-THS temperature/humidity board, but it has now had a failure. I do have some spare parts, including the DS2409 which apparently had failed on the board, but I've had to give up repairing. First, a pad came off when I desoldered

Re: [Owfs-developers] LP-THS

one of these sensors to lightning before, but then the whole box had gone up in flames so there was no doubt what the cause was. -Steinar Steinar Midtskogen writes: > Matthias Urlichs via Owfs-developers > >> This might be a stupid question, but I do wonder why that board would >